/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.it.aligned;

import org.apache.iotdb.db.it.utils.AlignedWriteUtil;
import org.apache.iotdb.it.env.ConfigFactory;
import org.apache.iotdb.it.env.EnvFactory;
import org.apache.iotdb.it.framework.IoTDBTestRunner;
import org.apache.iotdb.itbase.category.ClusterIT;
import org.apache.iotdb.itbase.category.LocalStandaloneIT;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import static org.apache.iotdb.itbase.constant.TestConstant.*;
import static org.junit.Assert.*;

@RunWith(IoTDBTestRunner.class)
@Category({LocalStandaloneIT.class, ClusterIT.class})
public class IoTDBLastQueryWithoutLastCacheIT {

    protected static boolean enableSeqSpaceCompaction;
    protected static boolean enableUnseqSpaceCompaction;
    protected static boolean enableCrossSpaceCompaction;
    protected static boolean enableLastCache;

    @BeforeClass
    public static void setUp() throws Exception {
        enableSeqSpaceCompaction = ConfigFactory.getConfig().isEnableSeqSpaceCompaction();
        enableUnseqSpaceCompaction = ConfigFactory.getConfig().isEnableUnseqSpaceCompaction();
        enableCrossSpaceCompaction = ConfigFactory.getConfig().isEnableCrossSpaceCompaction();
        enableLastCache = ConfigFactory.getConfig().isLastCacheEnabled();
        ConfigFactory.getConfig().setEnableSeqSpaceCompaction(false);
        ConfigFactory.getConfig().setEnableUnseqSpaceCompaction(false);
        ConfigFactory.getConfig().setEnableCrossSpaceCompaction(false);
        ConfigFactory.getConfig().setEnableLastCache(false);
        EnvFactory.getEnv().initBeforeClass();
        AlignedWriteUtil.insertData();
    }

    @AfterClass
    public static void tearDown() throws Exception {
        EnvFactory.getEnv().cleanAfterClass();
        ConfigFactory.getConfig().setEnableSeqSpaceCompaction(enableSeqSpaceCompaction);
        ConfigFactory.getConfig().setEnableUnseqSpaceCompaction(enableUnseqSpaceCompaction);
        ConfigFactory.getConfig().setEnableCrossSpaceCompaction(enableCrossSpaceCompaction);
        ConfigFactory.getConfig().setEnableLastCache(enableLastCache);
    }

    @Test
    public void selectAllAlignedLastTest() {
        Set<String> retSet =
                new HashSet<>(
                        Arrays.asList(
                                "23,root.sg1.d1.s1,230000.0,FLOAT",
                                "40,root.sg1.d1.s2,40,INT32",
                                "30,root.sg1.d1.s3,30,INT64",
                                "30,root.sg1.d1.s4,false,BOOLEAN",
                                "40,root.sg1.d1.s5,aligned_test40,TEXT"));

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            try (ResultSet resultSet =
                         statement.executeQuery("select last * from root.sg1.d1 order by timeseries asc")) {
                int cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    assertTrue(ans, retSet.contains(ans));
                    cnt++;
                }
                assertEquals(retSet.size(), cnt);
            }

        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void selectAllAlignedAndNonAlignedLastTest() {

        Set<String> retSet =
                new HashSet<>(
                        Arrays.asList(
                                "23,root.sg1.d1.s1,230000.0,FLOAT",
                                "40,root.sg1.d1.s2,40,INT32",
                                "30,root.sg1.d1.s3,30,INT64",
                                "30,root.sg1.d1.s4,false,BOOLEAN",
                                "40,root.sg1.d1.s5,aligned_test40,TEXT",
                                "20,root.sg1.d2.s1,20.0,FLOAT",
                                "40,root.sg1.d2.s2,40,INT32",
                                "30,root.sg1.d2.s3,30,INT64",
                                "30,root.sg1.d2.s4,false,BOOLEAN",
                                "40,root.sg1.d2.s5,non_aligned_test40,TEXT"));

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            try (ResultSet resultSet =
                         statement.executeQuery("select last * from root.sg1.* order by timeseries asc")) {
                int cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    assertTrue(ans, retSet.contains(ans));
                    cnt++;
                }
                assertEquals(retSet.size(), cnt);
            }

        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void selectAllAlignedLastWithTimeFilterTest() {

        Set<String> retSet =
                new HashSet<>(
                        Arrays.asList("40,root.sg1.d1.s2,40,INT32", "40,root.sg1.d1.s5,aligned_test40,TEXT"));

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            try (ResultSet resultSet =
                         statement.executeQuery(
                                 "select last * from root.sg1.d1 where time > 30 order by timeseries asc")) {
                int cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    assertTrue(ans, retSet.contains(ans));
                    cnt++;
                }
                assertEquals(retSet.size(), cnt);
            }

        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void selectSomeAlignedLastTest1() {
        Set<String> retSet =
                new HashSet<>(
                        Arrays.asList(
                                "23,root.sg1.d1.s1,230000.0,FLOAT",
                                "30,root.sg1.d1.s4,false,BOOLEAN",
                                "40,root.sg1.d1.s5,aligned_test40,TEXT"));

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            try (ResultSet resultSet =
                         statement.executeQuery(
                                 "select last s1, s4, s5 from root.sg1.d1 order by timeseries asc")) {
                int cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    assertTrue(ans, retSet.contains(ans));
                    cnt++;
                }
                assertEquals(retSet.size(), cnt);
            }

        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void selectSomeAlignedLastTest2() {
        Set<String> retSet =
                new HashSet<>(
                        Arrays.asList("23,root.sg1.d1.s1,230000.0,FLOAT", "30,root.sg1.d1.s4,false,BOOLEAN"));

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            try (ResultSet resultSet =
                         statement.executeQuery("select last s1, s4 from root.sg1.d1 order by timeseries asc")) {
                int cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    assertTrue(ans, retSet.contains(ans));
                    cnt++;
                }
                assertEquals(retSet.size(), cnt);
            }

        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void selectSomeAlignedLastWithTimeFilterTest() {

        Set<String> retSet =
                new HashSet<>(Collections.singletonList("40,root.sg1.d1.s5,aligned_test40,TEXT"));

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            try (ResultSet resultSet =
                         statement.executeQuery(
                                 "select last s1, s4, s5 from root.sg1.d1 where time > 30 order by timeseries asc")) {
                int cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    assertTrue(ans, retSet.contains(ans));
                    cnt++;
                }
                assertEquals(retSet.size(), cnt);
            }

        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }

    @Test
    public void selectSomeAlignedAndNonAlignedLastWithTimeFilterTest() {

        Set<String> retSet =
                new HashSet<>(
                        Arrays.asList(
                                "40,root.sg1.d1.s5,aligned_test40,TEXT",
                                "40,root.sg1.d2.s5,non_aligned_test40,TEXT"));

        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            try (ResultSet resultSet =
                         statement.executeQuery(
                                 "select last d2.s5, d1.s4, d2.s1, d1.s5, d2.s4, d1.s1 from root.sg1 where time > 30 order by timeseries asc")) {
                int cnt = 0;
                while (resultSet.next()) {
                    String ans =
                            resultSet.getString(TIMESTAMP_STR)
                                    + ","
                                    + resultSet.getString(TIMESEIRES_STR)
                                    + ","
                                    + resultSet.getString(VALUE_STR)
                                    + ","
                                    + resultSet.getString(DATA_TYPE_STR);
                    assertTrue(ans, retSet.contains(ans));
                    cnt++;
                }
                assertEquals(retSet.size(), cnt);
            }

        } catch (SQLException e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }
}
